package com.xiaoxu.yihaoShop.visitDeep;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class SessionIdReduce extends Reducer<Text, LongWritable,Text,LongWritable> {

    @Override
    protected void reduce(Text key, Iterable<LongWritable> values, Context context) throws IOException, InterruptedException {

        long sum = 0;

        for (LongWritable value : values) {
            sum += value.get();
        }

        context.write(key,new LongWritable(sum));

    }
}
